Yamaha YB50 Service Manual page 112

REAR WHEEL
Flat washer
Valve
Nut
Flat washer
Return spring
REAR WHEEL
Brake shoe
Brake cam
Shoe axle
Wear indicator
k
Brake lever
10
TYRE SIZE:
130/70-12
BRAKE DRUM WEAR LIMIT:
110.5 mm
BRAKE SHOE WEAR LIMIT:
2.0 mm
WHEEL RUN-OUT LIMIT:
Vertical: 1.0 mm
Lateral: 1.0 mm
Change:
Brake shoes and return
spring as a set
6-9
CHAS